ESP-IDF

i2s_ll_tx_get_pdm_fs() is only used within ESP-IDF.

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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_ll_tx_get_pdm_fs()

i2s_ll_tx_get_pdm_fs() function

Get I2S TX PDM fs configuration parameter

Syntax

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Summary

Declaration

from i2s_ll.h:1085

static inline uint32_t i2s_ll_tx_get_pdm_fs(i2s_dev_t *hw);

Arguments

Argument

Description

Peripheral I2S hardware instance address.

Return value

- fs configuration parameter

Related Functions

Found 80 other functions taking a i2s_dev_s argument:

Function

Description

i2s_ll_enable_dma()

Enable I2S DMA

i2s_ll_clear_intr_status()

Clear I2S interrupt status

i2s_ll_tx_reset()

Reset I2S TX module

i2s_ll_get_intr_status()

Get I2S interrupt status

i2s_ll_tx_start()

Start TX module

i2s_ll_tx_stop()

Stop TX module

i2s_ll_share_bck_ws()

Enable I2S loopback mode

i2s_ll_enable_intr()

Enable interrupt by mask

i2s_ll_start_out_link()

Start out link

i2s_ll_rx_reset()

Reset I2S RX module

i2s_ll_enable_builtin_adc_dac()

Enable I2S built-in ADC/DAC mode

i2s_ll_tx_clk_set_src()

Set TX source clock

i2s_ll_rx_stop()

Stop RX module

i2s_ll_rx_stop_link()

Stop in link

i2s_ll_tx_enable_right_first()

I2S tx right channel first

i2s_ll_tx_set_slave_mod()

Enable I2S TX slave mode

i2s_ll_rx_get_eof_des_addr()

Get I2S in eof descriptor address

i2s_ll_tx_set_bits_mod()

Set I2S tx bits mod

i2s_ll_tx_set_sample_bit()

Configure TX chan bit and audio data bit, on ESP32, sample_bit should equals to data_bit

i2s_ll_rx_set_sample_bit()

Configure RX chan bit and audio data bit, on ESP32, sample_bit should equals to data_bit

i2s_ll_tx_enable_msb_shift()

Enable TX MSB shift, the data will be launch at the first BCK clock

i2s_ll_tx_enable_mono_mode()

Enable TX mono mode

i2s_ll_rx_enable_mono_mode()

Enable RX mono mode

i2s_ll_rx_reset_fifo()

Reset I2S RX FIFO

i2s_ll_rx_clk_set_src()

Set RX source clock

i2s_ll_dma_enable_auto_write_back()

Enable DMA descriptor write back

i2s_ll_tx_reset_dma()

Reset dma out

i2s_ll_rx_reset_dma()

Reset dma in

i2s_ll_rx_start_link()

Configure RX DMA descriptor address and start RX DMA

i2s_ll_tx_enable_msb_right()

I2S tx msb right enable

i2s_ll_rx_enable_right_first()

I2S rx right channel first

i2s_ll_tx_force_enable_fifo_mod()

I2S tx fifo module force enable

i2s_ll_rx_force_enable_fifo_mod()

I2S rx fifo module force enable

i2s_ll_tx_reset_fifo()

Reset I2S TX FIFO

i2s_ll_tx_get_eof_des_addr()

Get I2S out eof descriptor address

i2s_ll_rx_set_eof_num()

Configure the received length to trigger in_suc_eof interrupt

i2s_ll_tx_set_ws_width()

Configure TX WS signal width

i2s_ll_rx_set_ws_width()

Configure RX WS signal width

i2s_ll_rx_enable_msb_shift()

Enable RX MSB shift, the data will be launch at the first BCK clock

i2s_ll_tx_select_std_slot()

Set I2S tx chan mode

i2s_ll_rx_select_std_slot()

Set I2S rx chan mode

i2s_ll_tx_set_bck_div_num()

Set I2S tx bck div num

i2s_ll_tx_set_mclk()

Configure I2S TX module clock divider

i2s_ll_dma_enable_eof_on_fifo_empty()

I2S DMA generate EOF event on data in FIFO popped out

i2s_ll_tx_enable_intr()

Enable TX interrupt

i2s_ll_tx_disable_intr()

Disable TX interrupt

i2s_ll_rx_start()

Start RX module

i2s_ll_tx_start_link()

Configure TX DMA descriptor address and start TX DMA

i2s_ll_tx_stop_link()

Stop out link

i2s_ll_rx_enable_msb_right()

I2S rx msb right enable

i2s_ll_rx_set_slave_mod()

Enable I2S RX slave mode

i2s_ll_tx_enable_pdm()

Enable I2S TX PDM mode

i2s_ll_rx_enable_pdm()

Enable I2S RX PDM mode

i2s_ll_tx_set_pdm_over_sample_ratio()

Set the PDM TX over sampling ratio

i2s_ll_tx_set_pdm_fpfs()

Configure I2S TX PDM sample rate Fpdm = 64*Fpcm*fp/fs

i2s_ll_rx_set_pdm_dsr()

I2S PDM Configurations************************************ Configure RX PDM downsample

i2s_ll_set_raw_mclk_div()

Configure I2S module clock divider

i2s_ll_rx_set_bck_div_num()

Set I2S rx bck div num

i2s_ll_rx_set_mclk()

Configure I2S RX module clock divider

i2s_ll_rx_enable_intr()

Enable RX interrupt

i2s_ll_rx_disable_intr()

Disable RX interrupt

i2s_ll_get_interrupt_status_reg()

Get channel interrupt status register address

i2s_ll_set_out_link_addr()

Set I2S out link address

i2s_ll_enable_core_clock()

I2S module general init, enable I2S clock.

i2s_ll_tx_enable_std()

Enable I2S TX STD mode

i2s_ll_rx_enable_std()

Enable I2S RX STD mode

i2s_ll_tx_set_pdm_prescale()

Set I2S TX PDM prescale

i2s_ll_tx_set_pdm_hp_scale()

Set I2S TX PDM high pass filter scaling

i2s_ll_tx_set_pdm_lp_scale()

Set I2S TX PDM low pass filter scaling

i2s_ll_tx_set_pdm_sinc_scale()

Set I2S TX PDM sinc filter scaling

i2s_ll_tx_set_pdm_sd_scale()

Set I2S TX PDM sigma-delta filter scaling

i2s_ll_enable_lcd()

I2S ADC/DAC Configurations********************************** Enable I2S LCD mode

i2s_ll_tx_stop_on_fifo_empty()

Set whether to continue I2S signal on bus when TX FIFO is empty

i2s_ll_tx_select_pdm_slot()

Set I2S PDM TX chan mode

i2s_ll_rx_select_pdm_slot()

Set I2S PDM RX chan mode

i2s_ll_dma_enable_owner_check()

Enable DMA descriptor owner check

i2s_ll_get_intr_status_reg()

Get interrupt status register address

i2s_ll_tx_get_pdm_fp()

Get I2S TX PDM fp configuration parameter

i2s_ll_enable_camera()

Enable I2S camera mode

i2s_ll_rx_get_pdm_dsr()

Get RX PDM downsample configuration

Examples

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